diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -11,23 +11,22 @@ See also: [Your organization should run its own Mastodon server](https://martinf
 ---
 
 ## Public sector
-
 * European Union: [https://social.network.europa.eu](https://social.network.europa.eu/explore)
 * German gov: [https://social.bund.de](https://social.bund.de)
 
 ## Education
-
 * MIT (USA): [https://mastodon.mit.edu](https://mastodon.mit.edu/explore)
 * ELTE (HU): [https://mastodon.elte.hu](https://mastodon.elte.hu/explore)
 
-
 ## Non-profit / Social profit / NGO
-
 * The Internet Archive: [https://mastodon.archive.org](https://mastodon.archive.org/explore)
 * OER (Open Educational Resource) Foundation: [https://mastodon.oeru.org](https://mastodon.oeru.org/explore)
 * Open Collective: [https://mastodon.opencollective.com](https://mastodon.opencollective.com/explore)
 * Raspberry Pi: [https://raspberrypi.social](https://raspberrypi.social/explore)
 
+## Opensource project / communities
+* OSM (Openstreetmap) community: [https://en.osm.town](https://en.osm.town/explore)
+
 ## Corporate / Commercial
 * Thoughtworks: [https://toot.thoughtworks.com](https://toot.thoughtworks.com/explore)